Molten salt corrosion mechanisms of nitrate based thermal energy storage materials for concentrated solar power plants: A review

被引:78
|
作者
Fernandez, Angel G. [1 ]
Cabeza, Luisa F. [1 ]
机构
[1] Univ Lleida, INSPIRES Res Ctr, GREiA Res Grp, Pere de Cabrera S-N, Lleida 25001, Spain
关键词
Molten salt; Corrosion mechanisms; Concentrated solar power; Thermal energy storage; HIGH-TEMPERATURE CORROSION; LOW-CR STEEL; STAINLESS-STEELS; FUSED-SALTS; DISCHARGE MECHANISM; CATALYTIC CURRENTS; CHLORIDE CONTENT; EUTECTIC SALT; SYSTEMS; NITRITE;
D O I
10.1016/j.solmat.2019.02.012
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Corrosion mechanisms for current heat transfer fluid and storage media used in CSP plants working at temperatures from 300 degrees C to 600 degrees C are reviewed in this paper. The studies found in the literature show that these mechanisms are influenced by the impurities present in the salt and the relation between Mg(NO3)(2), moisture, CO2, perchlorates, and sulphates with the corrosion process. Corrosion mechanisms were identified along with a discussion of the corrosion products and their influence on the corrosion layers formed.
引用
收藏
页码:160 / 165
页数:6
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